Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404020 | VTOL aircraft using large, variable speed tilt rotors | Abraham Karem | 2025-09-02 |
| 12246826 | Cable tilt actuator for an aircraft | — | 2025-03-11 |
| 11964755 | Tilt actuator for aircraft | Abraham Karem | 2024-04-23 |
| 11738862 | Fail-operational vtol aircraft | Abraham Karem, Ryan Doss, Benjamin Tigner | 2023-08-29 |
| 11608167 | Fail-operational VTOL aircraft | Abraham Karem, Ryan Doss, Benjamin Tigner | 2023-03-21 |
| 11465738 | Fail-operational VTOL aircraft | Abraham Karem, Ryan Doss, Benjamin Tigner | 2022-10-11 |
| 11066159 | EVTOL aircraft using large, variable speed tilt rotors | Abe Karem | 2021-07-20 |
| 10974826 | EVTOL having many variable speed tilt rotors | Abe Karem | 2021-04-13 |
| 10351235 | EVTOL aircraft using large, variable speed tilt rotors | Abe Karem | 2019-07-16 |
| 9228651 | Compact torque-transmitting gearbox with high reduction ratio | — | 2016-01-05 |
| 8266976 | Direct drive electromechanical linear actuators | — | 2012-09-18 |
| 8235667 | Swashplateless rotorcraft with fault tolerant linear electric actuator | Abe Karem, Dan Patt | 2012-08-07 |
| 8020803 | Rotorcraft engine and rotor speed synchronization | Abe Karem | 2011-09-20 |
| 7942366 | Aircraft landing gear with integrated extension, retraction, and leveling feature | — | 2011-05-17 |
| 7871033 | Tilt actuation for a rotorcraft | Abe Karem, Dan Patt | 2011-01-18 |
| 7866598 | Rotorcraft engine and rotor speed synchronization | Abe Karem | 2011-01-11 |
| 7500935 | Lightweight reduction gearbox | — | 2009-03-10 |
| 4545336 | Engine with roller and cam drive from piston to output shaft | — | 1985-10-08 |